/*!	 waypointdisconnect.cpp
**	 Template File
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**	Copyright (c) 2008 Chris Moore
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#include <synfig/general.h>

#include "waypointdisconnect.h"
#include <synfigapp/canvasinterface.h>
#include <synfig/valuenodes/valuenode_const.h>

#include <synfigapp/localization.h>

#endif

using namespace std;
using namespace etl;
using namespace synfig;
using namespace synfigapp;
using namespace Action;

ACTION_INIT(Action::WaypointDisconnect);
ACTION_SET_NAME(Action::WaypointDisconnect, "WaypointDisconnect");
ACTION_SET_LOCAL_NAME(Action::WaypointDisconnect, N_("Disconnect Waypoint"));
ACTION_SET_TASK(Action::WaypointDisconnect, "disconnect");
ACTION_SET_CATEGORY(Action::WaypointDisconnect, Action::CATEGORY_WAYPOINT);
ACTION_SET_PRIORITY(Action::WaypointDisconnect, 0);
ACTION_SET_VERSION(Action::WaypointDisconnect, "0.0");
ACTION_SET_CVS_ID(Action::WaypointDisconnect, "$Id$");

Action::WaypointDisconnect::WaypointDisconnect():
    waypoint_time_set(false),
    time_set(false)
{
}

Action::ParamVocab
Action::WaypointDisconnect::get_param_vocab()
{
    ParamVocab ret(Action::CanvasSpecific::get_param_vocab());

    ret.push_back(ParamDesc("parent_value_node", Param::TYPE_VALUENODE)
                  .set_local_name(_("Parent ValueNode"))
                 );

    ret.push_back(ParamDesc("waypoint_time", Param::TYPE_TIME)
                  .set_local_name(_("Waypoint Time"))
                 );

    ret.push_back(ParamDesc("time", Param::TYPE_TIME)
                  .set_local_name(_("Time"))
                  .set_optional()
                 );

    return ret;
}

bool
Action::WaypointDisconnect::is_candidate(const ParamList &x)
{
    return candidate_check(get_param_vocab(), x);
}

bool
Action::WaypointDisconnect::set_param(const synfig::String& name, const Action::Param &param)
{
    if (name == "parent_value_node" && param.get_type() == Param::TYPE_VALUENODE) {
        parent_value_node = ValueNode_Animated::Handle::cast_dynamic(param.get_value_node());

        return static_cast<bool>(parent_value_node);
    }

    if (name == "waypoint_time" && param.get_type() == Param::TYPE_TIME) {
        waypoint_time = param.get_time();
        waypoint_time_set = true;

        return true;
    }

    if (name == "time" && param.get_type() == Param::TYPE_TIME) {
        time = param.get_time();
        time_set = true;

        return true;
    }

    return Action::CanvasSpecific::set_param(name, param);
}

bool
Action::WaypointDisconnect::is_ready()const
{
    if (!parent_value_node || !waypoint_time_set) {
        return false;
    }

    return Action::CanvasSpecific::is_ready();
}

void
Action::WaypointDisconnect::perform()
{
    ValueNode_Animated::WaypointList::iterator iter(parent_value_node->find(waypoint_time));

    old_value_node = iter->get_value_node();

    iter->set_value_node(ValueNode_Const::create((*old_value_node)(time_set ? time : waypoint_time)));


}

void
Action::WaypointDisconnect::undo()
{
    ValueNode_Animated::WaypointList::iterator iter(parent_value_node->find(waypoint_time));

    iter->set_value_node(old_value_node);


}